Description
- Self-centering 3-Jaw lathe chuck
- 3″ (80 mm) diameter
- Includes chuck key, inside and outside jaws
- Plain back mounting
- High quality steel, hardened and ground
This 3 inch 3-Jaw self-centering lathe chuck is the one that comes on the mini lathe. It includes a chuck key and inside and outside jaws.
This three jaw chuck has a 0.63″ (16 mm) through hole. It holds work up to 2.48″ (63 mm) in diameter.
The radial runout of a test bar held in this chuck, when the chuck is mounted true, is 0.003″ maximum.
| Rated Capacity, Inside Jaws | 0.08″ – 0.87″ (2.0 mm – 22.0 mm) |
| Rated Capacity, Jamming Range | 0.98″ – 2.76″ (25.0 mm – 70.0 mm) |
| Rated Capacity, Outside Jaws | 0.87″ – 2.48″ (22.0 mm – 63.0 mm) |
| Practical Maximum Capacity, Inside Jaws | 1.15″ (29.2 mm) |
| Practical Maximum Capacity, Outside Jaws | 2.75″ (69.8 mm) |
| Runout (Max) | ≤ 0.003″ (0.08 mm) |
| Diameter, Overall | 3.15″ (80.0 mm) |
| Registration Recess Diameter | 2.17″ (55.0 mm) |
| Registration Recess Depth | 0.14″ (3.5 mm) |
| Bolt Circle Diameter | 2.60″ (66.0 mm) |
| Center Hole Diameter | 0.63″ (16.0 mm) |
| Height | 1.97″ (50.0 mm) |
| Jaw Height Above Face | 0.67″ (17.0 mm) |
| Height with Jaws | 2.64″ (67.0 mm) |
| Number and Size of Bolts | 3 M6 |
| Chuck Key | 0.31″ (8.0 mm) |
| Chuck Designation | K11-80 |
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